Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual número era o letrista Ahmed Metwally?
 ###Tabelas: CREATE TABLE track_listing (track_listing_id AUTO_INCREMENT PRIMARY KEY, No. INT, Title VARCHAR, Lyricist VARCHAR, Composer VARCHAR, Arrangement VARCHAR, Sound Engineer VARCHAR, Length VARCHAR) CREATE TABLE canadian_wildlife_series (canadian_wildlife_series_id AUTO_INCREMENT PRIMARY KEY, Year INT, Animal VARCHAR, Artist VARCHAR, Finish VARCHAR, Mintage INT, Issue Price VARCHAR) CREATE TABLE regulations (regulations_id AUTO_INCREMENT PRIMARY KEY, Specification VARCHAR, Gender VARCHAR, Junior High School (12–15 yrs) VARCHAR, Senior High School (15–18 yrs) VARCHAR, University students and Adults (18yrs+) VARCHAR) CREATE TABLE doubles:_5_3_titles_2_runners-up (doubles:_5_3_titles_2_runners-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE season_10:_2007_2008 (season_10:_2007_2008_id AUTO_INCREMENT PRIMARY KEY, Series Ep. VARCHAR, Episode INT, Netflix VARCHAR, Segment A VARCHAR, Segment B VARCHAR, Segment C VARCHAR, Segment D VARCHAR)  
SELECT No. FROM track_listing WHERE Lyricist = Ahmed Metwally